The ideal gift! Buy the best ready-to-drink online. Price and reviews available for Cutwater Cutwater Whiskey Mule Ready-to-drink – 4x 12oz Cans. Our ginger beer, a hint of lime, and aromatic bitters flavor makes for the start of a perfect mule. The addition of our award-winning Black Skimmer Bourbon adds a depth of flavor to turn the classic on its head. Spicy, bold, and ready-to-enjoy.